20 (水)	02:06	08:36	14:51	20:33
	123cm	40cm	120cm	51cm
大潮 出 04:45 入 18:22 出 16:28 入 03:53

苫小牧（北海道）2016年04月20日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
4/20 00:00	103.5	↑3.0
4/20 00:10	106.3	↑2.8
4/20 00:20	108.9	↑2.6
4/20 00:30	111.3	↑2.4
4/20 00:40	113.5	↑2.2
4/20 00:50	115.5	↑2.0
4/20 01:00	117.2	↑1.7
4/20 01:10	118.7	↑1.5
4/20 01:20	119.9	↑1.2
4/20 01:30	120.8	↑0.9
4/20 01:40	121.6	↑0.8
4/20 01:50	122.0	↑0.4
4/20 02:00	122.3	↑0.3	満潮
4/20 02:10	122.3	0
4/20 02:20	122.1	↓-0.2
4/20 02:30	121.6	↓-0.5
4/20 02:40	121.0	↓-0.6
4/20 02:50	120.1	↓-0.9
4/20 03:00	119.1	↓-1.0
4/20 03:10	117.8	↓-1.3
4/20 03:20	116.3	↓-1.5
4/20 03:30	114.6	↓-1.7
4/20 03:40	112.7	↓-1.9
4/20 03:50	110.5	↓-2.2
4/20 04:00	108.2	↓-2.3
4/20 04:10	105.6	↓-2.6
4/20 04:20	102.8	↓-2.8
4/20 04:30	99.9	↓-2.9
4/20 04:40	96.7	↓-3.2
4/20 04:50	93.4	↓-3.3
4/20 05:00	90.0	↓-3.4
4/20 05:10	86.5	↓-3.5
4/20 05:20	82.9	↓-3.6
4/20 05:30	79.3	↓-3.6
4/20 05:40	75.7	↓-3.6
4/20 05:50	72.1	↓-3.6
4/20 06:00	68.6	↓-3.5
4/20 06:10	65.2	↓-3.4
4/20 06:20	61.9	↓-3.3
4/20 06:30	58.8	↓-3.1
4/20 06:40	55.9	↓-2.9
4/20 06:50	53.2	↓-2.7
4/20 07:00	50.8	↓-2.4
4/20 07:10	48.5	↓-2.3
4/20 07:20	46.6	↓-1.9
4/20 07:30	44.9	↓-1.7
4/20 07:40	43.4	↓-1.5
4/20 07:50	42.2	↓-1.2
4/20 08:00	41.2	↓-1.0
4/20 08:10	40.5	↓-0.7
4/20 08:20	40.1	↓-0.4
4/20 08:30	39.8	↓-0.3	干潮
4/20 08:40	39.8	0
4/20 08:50	40.0	↑0.2
4/20 09:00	40.5	↑0.5
4/20 09:10	41.2	↑0.7
4/20 09:20	42.1	↑0.9
4/20 09:30	43.3	↑1.2
4/20 09:40	44.7	↑1.4
4/20 09:50	46.4	↑1.7
4/20 10:00	48.3	↑1.9
4/20 10:10	50.4	↑2.1
4/20 10:20	52.8	↑2.4
4/20 10:30	55.4	↑2.6
4/20 10:40	58.3	↑2.9
4/20 10:50	61.3	↑3.0
4/20 11:00	64.5	↑3.2
4/20 11:10	67.9	↑3.4
4/20 11:20	71.4	↑3.5
4/20 11:30	75.0	↑3.6
4/20 11:40	78.7	↑3.7	最大潮位差
4/20 11:50	82.3	↑3.6
4/20 12:00	85.9	↑3.6
4/20 12:10	89.5	↑3.6
4/20 12:20	93.0	↑3.5
4/20 12:30	96.3	↑3.3
4/20 12:40	99.5	↑3.2
4/20 12:50	102.4	↑2.9
4/20 13:00	105.2	↑2.8
4/20 13:10	107.7	↑2.5
4/20 13:20	110.0	↑2.3
4/20 13:30	112.0	↑2.0
4/20 13:40	113.8	↑1.8
4/20 13:50	115.3	↑1.5
4/20 14:00	116.6	↑1.3
4/20 14:10	117.6	↑1.0
4/20 14:20	118.4	↑0.8
4/20 14:30	119.0	↑0.6
4/20 14:40	119.3	↑0.3
4/20 14:50	119.4	↑0.1	満潮
4/20 15:00	119.3	↓-0.1
4/20 15:10	119.0	↓-0.3
4/20 15:20	118.4	↓-0.6
4/20 15:30	117.6	↓-0.8
4/20 15:40	116.6	↓-1.0
4/20 15:50	115.3	↓-1.3
4/20 16:00	113.8	↓-1.5
4/20 16:10	112.1	↓-1.7
4/20 16:20	110.1	↓-2.0
4/20 16:30	107.9	↓-2.2
4/20 16:40	105.5	↓-2.4
4/20 16:50	102.8	↓-2.7
4/20 17:00	99.9	↓-2.9
4/20 17:10	96.9	↓-3.0
4/20 17:20	93.7	↓-3.2
4/20 17:30	90.5	↓-3.2
4/20 17:40	87.1	↓-3.4
4/20 17:50	83.7	↓-3.4
4/20 18:00	80.3	↓-3.4
4/20 18:10	76.9	↓-3.4
4/20 18:20	73.6	↓-3.3
4/20 18:30	70.5	↓-3.1
4/20 18:40	67.5	↓-3.0
4/20 18:50	64.7	↓-2.8
4/20 19:00	62.1	↓-2.6
4/20 19:10	59.8	↓-2.3
4/20 19:20	57.7	↓-2.1
4/20 19:30	55.9	↓-1.8
4/20 19:40	54.4	↓-1.5
4/20 19:50	53.1	↓-1.3
4/20 20:00	52.2	↓-0.9
4/20 20:10	51.5	↓-0.7
4/20 20:20	51.1	↓-0.4
4/20 20:30	50.9	↓-0.2	干潮
4/20 20:40	51.0	↑0.1
4/20 20:50	51.3	↑0.3
4/20 21:00	51.8	↑0.5
4/20 21:10	52.6	↑0.8
4/20 21:20	53.6	↑1.0
4/20 21:30	54.9	↑1.3
4/20 21:40	56.3	↑1.4
4/20 21:50	58.0	↑1.7
4/20 22:00	59.8	↑1.8
4/20 22:10	62.0	↑2.2
4/20 22:20	64.3	↑2.3
4/20 22:30	66.8	↑2.5
4/20 22:40	69.6	↑2.8
4/20 22:50	72.5	↑2.9
4/20 23:00	75.6	↑3.1
4/20 23:10	78.9	↑3.3
4/20 23:20	82.3	↑3.4
4/20 23:30	85.8	↑3.5
4/20 23:40	89.4	↑3.6
4/20 23:50	93.0	↑3.6